1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2001 Atsushi Onoe 5 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 #ifndef _NET80211_IEEE80211_H_ 31 #define _NET80211_IEEE80211_H_ 32 33 /* 34 * 802.11 protocol definitions. 35 */ 36 37 #define IEEE80211_ADDR_LEN 6 /* size of 802.11 address */ 38 /* is 802.11 address multicast/broadcast? */ 39 #define IEEE80211_IS_MULTICAST(_a) (*(_a) & 0x01) 40 41 #ifdef _KERNEL 42 extern const uint8_t ieee80211broadcastaddr[]; 43 #endif 44 45 typedef uint16_t ieee80211_seq; 46 47 /* IEEE 802.11 PLCP header */ 48 struct ieee80211_plcp_hdr { 49 uint16_t i_sfd; 50 uint8_t i_signal; 51 uint8_t i_service; 52 uint16_t i_length; 53 uint16_t i_crc; 54 } __packed; 55 56 #define IEEE80211_PLCP_SFD 0xF3A0 57 #define IEEE80211_PLCP_SERVICE 0x00 58 #define IEEE80211_PLCP_SERVICE_LOCKED 0x04 59 #define IEEE80211_PLCL_SERVICE_PBCC 0x08 60 #define IEEE80211_PLCP_SERVICE_LENEXT5 0x20 61 #define IEEE80211_PLCP_SERVICE_LENEXT6 0x40 62 #define IEEE80211_PLCP_SERVICE_LENEXT7 0x80 63 64 /* 65 * generic definitions for IEEE 802.11 frames 66 */ 67 struct ieee80211_frame { 68 uint8_t i_fc[2]; 69 uint8_t i_dur[2]; 70 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 71 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 72 uint8_t i_addr3[IEEE80211_ADDR_LEN]; 73 uint8_t i_seq[2]; 74 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */ 75 /* see below */ 76 } __packed; 77 78 struct ieee80211_qosframe { 79 uint8_t i_fc[2]; 80 uint8_t i_dur[2]; 81 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 82 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 83 uint8_t i_addr3[IEEE80211_ADDR_LEN]; 84 uint8_t i_seq[2]; 85 uint8_t i_qos[2]; 86 /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */ 87 /* see below */ 88 } __packed; 89 90 struct ieee80211_qoscntl { 91 uint8_t i_qos[2]; 92 }; 93 94 struct ieee80211_frame_addr4 { 95 uint8_t i_fc[2]; 96 uint8_t i_dur[2]; 97 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 98 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 99 uint8_t i_addr3[IEEE80211_ADDR_LEN]; 100 uint8_t i_seq[2]; 101 uint8_t i_addr4[IEEE80211_ADDR_LEN]; 102 } __packed; 103 104 105 struct ieee80211_qosframe_addr4 { 106 uint8_t i_fc[2]; 107 uint8_t i_dur[2]; 108 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 109 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 110 uint8_t i_addr3[IEEE80211_ADDR_LEN]; 111 uint8_t i_seq[2]; 112 uint8_t i_addr4[IEEE80211_ADDR_LEN]; 113 uint8_t i_qos[2]; 114 } __packed; 115 116 #define IEEE80211_FC0_VERSION_MASK 0x03 117 #define IEEE80211_FC0_VERSION_SHIFT 0 118 #define IEEE80211_FC0_VERSION_0 0x00 119 #define IEEE80211_FC0_TYPE_MASK 0x0c 120 #define IEEE80211_FC0_TYPE_SHIFT 2 121 #define IEEE80211_FC0_TYPE_MGT 0x00 122 #define IEEE80211_FC0_TYPE_CTL 0x04 123 #define IEEE80211_FC0_TYPE_DATA 0x08 124 125 #define IEEE80211_FC0_SUBTYPE_MASK 0xf0 126 #define IEEE80211_FC0_SUBTYPE_SHIFT 4 127 /* for TYPE_MGT */ 128 #define IEEE80211_FC0_SUBTYPE_ASSOC_REQ 0x00 129 #define IEEE80211_FC0_SUBTYPE_ASSOC_RESP 0x10 130 #define IEEE80211_FC0_SUBTYPE_REASSOC_REQ 0x20 131 #define IEEE80211_FC0_SUBTYPE_REASSOC_RESP 0x30 132 #define IEEE80211_FC0_SUBTYPE_PROBE_REQ 0x40 133 #define IEEE80211_FC0_SUBTYPE_PROBE_RESP 0x50 134 #define IEEE80211_FC0_SUBTYPE_TIMING_ADV 0x60 135 #define IEEE80211_FC0_SUBTYPE_BEACON 0x80 136 #define IEEE80211_FC0_SUBTYPE_ATIM 0x90 137 #define IEEE80211_FC0_SUBTYPE_DISASSOC 0xa0 138 #define IEEE80211_FC0_SUBTYPE_AUTH 0xb0 139 #define IEEE80211_FC0_SUBTYPE_DEAUTH 0xc0 140 #define IEEE80211_FC0_SUBTYPE_ACTION 0xd0 141 #define IEEE80211_FC0_SUBTYPE_ACTION_NOACK 0xe0 142 /* for TYPE_CTL */ 143 #define IEEE80211_FC0_SUBTYPE_CONTROL_WRAP 0x70 144 #define IEEE80211_FC0_SUBTYPE_BAR 0x80 145 #define IEEE80211_FC0_SUBTYPE_BA 0x90 146 #define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0 147 #define IEEE80211_FC0_SUBTYPE_RTS 0xb0 148 #define IEEE80211_FC0_SUBTYPE_CTS 0xc0 149 #define IEEE80211_FC0_SUBTYPE_ACK 0xd0 150 #define IEEE80211_FC0_SUBTYPE_CF_END 0xe0 151 #define IEEE80211_FC0_SUBTYPE_CF_END_ACK 0xf0 152 /* for TYPE_DATA (bit combination) */ 153 #define IEEE80211_FC0_SUBTYPE_DATA 0x00 154 #define IEEE80211_FC0_SUBTYPE_CF_ACK 0x10 155 #define IEEE80211_FC0_SUBTYPE_CF_POLL 0x20 156 #define IEEE80211_FC0_SUBTYPE_CF_ACPL 0x30 157 #define IEEE80211_FC0_SUBTYPE_NODATA 0x40 158 #define IEEE80211_FC0_SUBTYPE_CFACK 0x50 159 #define IEEE80211_FC0_SUBTYPE_CFPOLL 0x60 160 #define IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK 0x70 161 #define IEEE80211_FC0_SUBTYPE_QOS 0x80 162 #define IEEE80211_FC0_SUBTYPE_QOS_CFACK 0x90 163 #define IEEE80211_FC0_SUBTYPE_QOS_CFPOLL 0xa0 164 #define IEEE80211_FC0_SUBTYPE_QOS_CFACKPOLL 0xb0 165 #define IEEE80211_FC0_SUBTYPE_QOS_NULL 0xc0 166 167 #define IEEE80211_IS_MGMT(wh) \ 168 (!! (((wh)->i_fc[0] & IEEE80211_FC0_TYPE_MASK) \ 169 == IEEE80211_FC0_TYPE_MGT)) 170 #define IEEE80211_IS_CTL(wh) \ 171 (!! (((wh)->i_fc[0] & IEEE80211_FC0_TYPE_MASK) \ 172 == IEEE80211_FC0_TYPE_CTL)) 173 #define IEEE80211_IS_DATA(wh) \ 174 (!! (((wh)->i_fc[0] & IEEE80211_FC0_TYPE_MASK) \ 175 == IEEE80211_FC0_TYPE_DATA)) 176 177 #define IEEE80211_FC0_QOSDATA \ 178 (IEEE80211_FC0_TYPE_DATA|IEEE80211_FC0_SUBTYPE_QOS|IEEE80211_FC0_VERSION_0) 179 180 #define IEEE80211_IS_QOSDATA(wh) \ 181 ((wh)->i_fc[0] == IEEE80211_FC0_QOSDATA) 182 183 #define IEEE80211_FC1_DIR_MASK 0x03 184 #define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */ 185 #define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */ 186 #define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */ 187 #define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */ 188 189 #define IEEE80211_IS_DSTODS(wh) \ 190 (((wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS) 191 192 #define IEEE80211_FC1_MORE_FRAG 0x04 193 #define IEEE80211_FC1_RETRY 0x08 194 #define IEEE80211_FC1_PWR_MGT 0x10 195 #define IEEE80211_FC1_MORE_DATA 0x20 196 #define IEEE80211_FC1_PROTECTED 0x40 197 #define IEEE80211_FC1_ORDER 0x80 198 199 #define IEEE80211_HAS_SEQ(type, subtype) \ 200 ((type) != IEEE80211_FC0_TYPE_CTL && \ 201 !((type) == IEEE80211_FC0_TYPE_DATA && \ 202 ((subtype) & IEEE80211_FC0_SUBTYPE_QOS_NULL) == \ 203 IEEE80211_FC0_SUBTYPE_QOS_NULL)) 204 #define IEEE80211_SEQ_FRAG_MASK 0x000f 205 #define IEEE80211_SEQ_FRAG_SHIFT 0 206 #define IEEE80211_SEQ_SEQ_MASK 0xfff0 207 #define IEEE80211_SEQ_SEQ_SHIFT 4 208 #define IEEE80211_SEQ_RANGE 4096 209 210 #define IEEE80211_SEQ_ADD(seq, incr) \ 211 (((seq) + (incr)) & (IEEE80211_SEQ_RANGE-1)) 212 #define IEEE80211_SEQ_INC(seq) IEEE80211_SEQ_ADD(seq,1) 213 #define IEEE80211_SEQ_SUB(a, b) \ 214 (((a) + IEEE80211_SEQ_RANGE - (b)) & (IEEE80211_SEQ_RANGE-1)) 215 216 #define IEEE80211_SEQ_BA_RANGE 2048 /* 2^11 */ 217 #define IEEE80211_SEQ_BA_BEFORE(a, b) \ 218 (IEEE80211_SEQ_SUB(b, a+1) < IEEE80211_SEQ_BA_RANGE-1) 219 220 #define IEEE80211_NWID_LEN 32 221 #define IEEE80211_MESHID_LEN 32 222 223 #define IEEE80211_QOS_CTL_LEN 2 224 225 #define IEEE80211_QOS_TXOP 0x00ff 226 /* bit 8 is reserved */ 227 #define IEEE80211_QOS_AMSDU 0x80 228 #define IEEE80211_QOS_AMSDU_S 7 229 #define IEEE80211_QOS_ACKPOLICY 0x60 230 #define IEEE80211_QOS_ACKPOLICY_S 5 231 #define IEEE80211_QOS_ACKPOLICY_NOACK 0x20 /* No ACK required */ 232 #define IEEE80211_QOS_ACKPOLICY_BA 0x60 /* Block ACK */ 233 #define IEEE80211_QOS_EOSP 0x10 /* EndOfService Period*/ 234 #define IEEE80211_QOS_EOSP_S 4 235 #define IEEE80211_QOS_TID 0x0f 236 /* qos[1] byte used for all frames sent by mesh STAs in a mesh BSS */ 237 #define IEEE80211_QOS_MC 0x01 /* Mesh control */ 238 /* Mesh power save level*/ 239 #define IEEE80211_QOS_MESH_PSL 0x02 240 /* Mesh Receiver Service Period Initiated */ 241 #define IEEE80211_QOS_RSPI 0x04 242 /* bits 11 to 15 reserved */ 243 244 /* does frame have QoS sequence control data */ 245 #define IEEE80211_QOS_HAS_SEQ(wh) \ 246 (((wh)->i_fc[0] & \ 247 (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_QOS)) == \ 248 (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS)) 249 250 /* 251 * WME/802.11e information element. 252 */ 253 struct ieee80211_wme_info { 254 uint8_t wme_id; /* IEEE80211_ELEMID_VENDOR */ 255 uint8_t wme_len; /* length in bytes */ 256 uint8_t wme_oui[3]; /* 0x00, 0x50, 0xf2 */ 257 uint8_t wme_type; /* OUI type */ 258 uint8_t wme_subtype; /* OUI subtype */ 259 uint8_t wme_version; /* spec revision */ 260 uint8_t wme_info; /* QoS info */ 261 } __packed; 262 263 /* 264 * WME/802.11e Tspec Element 265 */ 266 struct ieee80211_wme_tspec { 267 uint8_t ts_id; 268 uint8_t ts_len; 269 uint8_t ts_oui[3]; 270 uint8_t ts_oui_type; 271 uint8_t ts_oui_subtype; 272 uint8_t ts_version; 273 uint8_t ts_tsinfo[3]; 274 uint8_t ts_nom_msdu[2]; 275 uint8_t ts_max_msdu[2]; 276 uint8_t ts_min_svc[4]; 277 uint8_t ts_max_svc[4]; 278 uint8_t ts_inactv_intv[4]; 279 uint8_t ts_susp_intv[4]; 280 uint8_t ts_start_svc[4]; 281 uint8_t ts_min_rate[4]; 282 uint8_t ts_mean_rate[4]; 283 uint8_t ts_max_burst[4]; 284 uint8_t ts_min_phy[4]; 285 uint8_t ts_peak_rate[4]; 286 uint8_t ts_delay[4]; 287 uint8_t ts_surplus[2]; 288 uint8_t ts_medium_time[2]; 289 } __packed; 290 291 /* 292 * WME AC parameter field 293 */ 294 struct ieee80211_wme_acparams { 295 uint8_t acp_aci_aifsn; 296 uint8_t acp_logcwminmax; 297 uint16_t acp_txop; 298 } __packed; 299 300 #define WME_NUM_AC 4 /* 4 AC categories */ 301 #define WME_NUM_TID 16 /* 16 tids */ 302 303 #define WME_PARAM_ACI 0x60 /* Mask for ACI field */ 304 #define WME_PARAM_ACI_S 5 /* Shift for ACI field */ 305 #define WME_PARAM_ACM 0x10 /* Mask for ACM bit */ 306 #define WME_PARAM_ACM_S 4 /* Shift for ACM bit */ 307 #define WME_PARAM_AIFSN 0x0f /* Mask for aifsn field */ 308 #define WME_PARAM_AIFSN_S 0 /* Shift for aifsn field */ 309 #define WME_PARAM_LOGCWMIN 0x0f /* Mask for CwMin field (in log) */ 310 #define WME_PARAM_LOGCWMIN_S 0 /* Shift for CwMin field */ 311 #define WME_PARAM_LOGCWMAX 0xf0 /* Mask for CwMax field (in log) */ 312 #define WME_PARAM_LOGCWMAX_S 4 /* Shift for CwMax field */ 313 314 #define WME_AC_TO_TID(_ac) ( \ 315 ((_ac) == WME_AC_VO) ? 6 : \ 316 ((_ac) == WME_AC_VI) ? 5 : \ 317 ((_ac) == WME_AC_BK) ? 1 : \ 318 0) 319 320 #define TID_TO_WME_AC(_tid) ( \ 321 ((_tid) == 0 || (_tid) == 3) ? WME_AC_BE : \ 322 ((_tid) < 3) ? WME_AC_BK : \ 323 ((_tid) < 6) ? WME_AC_VI : \ 324 WME_AC_VO) 325 326 /* 327 * WME Parameter Element 328 */ 329 struct ieee80211_wme_param { 330 uint8_t param_id; 331 uint8_t param_len; 332 uint8_t param_oui[3]; 333 uint8_t param_oui_type; 334 uint8_t param_oui_subtype; 335 uint8_t param_version; 336 uint8_t param_qosInfo; 337 #define WME_QOSINFO_COUNT 0x0f /* Mask for param count field */ 338 uint8_t param_reserved; 339 struct ieee80211_wme_acparams params_acParams[WME_NUM_AC]; 340 } __packed; 341 342 /* 343 * WME U-APSD qos info field defines 344 */ 345 #define WME_CAPINFO_UAPSD_EN 0x00000080 346 #define WME_CAPINFO_UAPSD_VO 0x00000001 347 #define WME_CAPINFO_UAPSD_VI 0x00000002 348 #define WME_CAPINFO_UAPSD_BK 0x00000004 349 #define WME_CAPINFO_UAPSD_BE 0x00000008 350 #define WME_CAPINFO_UAPSD_ACFLAGS_SHIFT 0 351 #define WME_CAPINFO_UAPSD_ACFLAGS_MASK 0xF 352 #define WME_CAPINFO_UAPSD_MAXSP_SHIFT 5 353 #define WME_CAPINFO_UAPSD_MAXSP_MASK 0x3 354 #define WME_CAPINFO_IE_OFFSET 8 355 #define WME_UAPSD_MAXSP(_qosinfo) \ 356 (((_qosinfo) >> WME_CAPINFO_UAPSD_MAXSP_SHIFT) & \ 357 WME_CAPINFO_UAPSD_MAXSP_MASK) 358 #define WME_UAPSD_AC_ENABLED(_ac, _qosinfo) \ 359 ((1 << (3 - (_ac))) & ( \ 360 ((_qosinfo) >> WME_CAPINFO_UAPSD_ACFLAGS_SHIFT) & \ 361 WME_CAPINFO_UAPSD_ACFLAGS_MASK)) 362 363 /* 364 * Management Notification Frame 365 */ 366 struct ieee80211_mnf { 367 uint8_t mnf_category; 368 uint8_t mnf_action; 369 uint8_t mnf_dialog; 370 uint8_t mnf_status; 371 } __packed; 372 #define MNF_SETUP_REQ 0 373 #define MNF_SETUP_RESP 1 374 #define MNF_TEARDOWN 2 375 376 /* 377 * 802.11n Management Action Frames 378 */ 379 /* generic frame format */ 380 struct ieee80211_action { 381 uint8_t ia_category; 382 uint8_t ia_action; 383 } __packed; 384 385 #define IEEE80211_ACTION_CAT_SM 0 /* Spectrum Management */ 386 #define IEEE80211_ACTION_CAT_QOS 1 /* QoS */ 387 #define IEEE80211_ACTION_CAT_DLS 2 /* DLS */ 388 #define IEEE80211_ACTION_CAT_BA 3 /* BA */ 389 #define IEEE80211_ACTION_CAT_HT 7 /* HT */ 390 #define IEEE80211_ACTION_CAT_MESH 13 /* Mesh */ 391 #define IEEE80211_ACTION_CAT_SELF_PROT 15 /* Self-protected */ 392 /* 16 - 125 reserved */ 393 #define IEEE80211_ACTION_CAT_VHT 21 394 #define IEEE80211_ACTION_CAT_VENDOR 127 /* Vendor Specific */ 395 396 #define IEEE80211_ACTION_HT_TXCHWIDTH 0 /* recommended xmit chan width*/ 397 #define IEEE80211_ACTION_HT_MIMOPWRSAVE 1 /* MIMO power save */ 398 399 /* HT - recommended transmission channel width */ 400 struct ieee80211_action_ht_txchwidth { 401 struct ieee80211_action at_header; 402 uint8_t at_chwidth; 403 } __packed; 404 405 #define IEEE80211_A_HT_TXCHWIDTH_20 0 406 #define IEEE80211_A_HT_TXCHWIDTH_2040 1 407 408 /* HT - MIMO Power Save (NB: D2.04) */ 409 struct ieee80211_action_ht_mimopowersave { 410 struct ieee80211_action am_header; 411 uint8_t am_control; 412 } __packed; 413 414 #define IEEE80211_A_HT_MIMOPWRSAVE_ENA 0x01 /* PS enabled */ 415 #define IEEE80211_A_HT_MIMOPWRSAVE_MODE 0x02 416 #define IEEE80211_A_HT_MIMOPWRSAVE_MODE_S 1 417 #define IEEE80211_A_HT_MIMOPWRSAVE_DYNAMIC 0x02 /* Dynamic Mode */ 418 #define IEEE80211_A_HT_MIMOPWRSAVE_STATIC 0x00 /* no SM packets */ 419 /* bits 2-7 reserved */ 420 421 /* Block Ack actions */ 422 #define IEEE80211_ACTION_BA_ADDBA_REQUEST 0 /* ADDBA request */ 423 #define IEEE80211_ACTION_BA_ADDBA_RESPONSE 1 /* ADDBA response */ 424 #define IEEE80211_ACTION_BA_DELBA 2 /* DELBA */ 425 426 /* Block Ack Parameter Set */ 427 #define IEEE80211_BAPS_BUFSIZ 0xffc0 /* buffer size */ 428 #define IEEE80211_BAPS_BUFSIZ_S 6 429 #define IEEE80211_BAPS_TID 0x003c /* TID */ 430 #define IEEE80211_BAPS_TID_S 2 431 #define IEEE80211_BAPS_POLICY 0x0002 /* block ack policy */ 432 #define IEEE80211_BAPS_POLICY_S 1 433 434 #define IEEE80211_BAPS_POLICY_DELAYED (0<<IEEE80211_BAPS_POLICY_S) 435 #define IEEE80211_BAPS_POLICY_IMMEDIATE (1<<IEEE80211_BAPS_POLICY_S) 436 437 /* Block Ack Sequence Control */ 438 #define IEEE80211_BASEQ_START 0xfff0 /* starting seqnum */ 439 #define IEEE80211_BASEQ_START_S 4 440 #define IEEE80211_BASEQ_FRAG 0x000f /* fragment number */ 441 #define IEEE80211_BASEQ_FRAG_S 0 442 443 /* Delayed Block Ack Parameter Set */ 444 #define IEEE80211_DELBAPS_TID 0xf000 /* TID */ 445 #define IEEE80211_DELBAPS_TID_S 12 446 #define IEEE80211_DELBAPS_INIT 0x0800 /* initiator */ 447 #define IEEE80211_DELBAPS_INIT_S 11 448 449 /* BA - ADDBA request */ 450 struct ieee80211_action_ba_addbarequest { 451 struct ieee80211_action rq_header; 452 uint8_t rq_dialogtoken; 453 uint16_t rq_baparamset; 454 uint16_t rq_batimeout; /* in TUs */ 455 uint16_t rq_baseqctl; 456 } __packed; 457 458 /* BA - ADDBA response */ 459 struct ieee80211_action_ba_addbaresponse { 460 struct ieee80211_action rs_header; 461 uint8_t rs_dialogtoken; 462 uint16_t rs_statuscode; 463 uint16_t rs_baparamset; 464 uint16_t rs_batimeout; /* in TUs */ 465 } __packed; 466 467 /* BA - DELBA */ 468 struct ieee80211_action_ba_delba { 469 struct ieee80211_action dl_header; 470 uint16_t dl_baparamset; 471 uint16_t dl_reasoncode; 472 } __packed; 473 474 /* BAR Control */ 475 #define IEEE80211_BAR_TID 0xf000 /* TID */ 476 #define IEEE80211_BAR_TID_S 12 477 #define IEEE80211_BAR_COMP 0x0004 /* Compressed Bitmap */ 478 #define IEEE80211_BAR_MTID 0x0002 /* Multi-TID */ 479 #define IEEE80211_BAR_NOACK 0x0001 /* No-Ack policy */ 480 481 /* BAR Starting Sequence Control */ 482 #define IEEE80211_BAR_SEQ_START 0xfff0 /* starting seqnum */ 483 #define IEEE80211_BAR_SEQ_START_S 4 484 485 struct ieee80211_ba_request { 486 uint16_t rq_barctl; 487 uint16_t rq_barseqctl; 488 } __packed; 489 490 /* 491 * Control frames. 492 */ 493 struct ieee80211_frame_min { 494 uint8_t i_fc[2]; 495 uint8_t i_dur[2]; 496 uint8_t i_addr1[IEEE80211_ADDR_LEN]; 497 uint8_t i_addr2[IEEE80211_ADDR_LEN]; 498 /* FCS */ 499 } __packed; 500 501 struct ieee80211_frame_rts { 502 uint8_t i_fc[2]; 503 uint8_t i_dur[2]; 504 uint8_t i_ra[IEEE80211_ADDR_LEN]; 505 uint8_t i_ta[IEEE80211_ADDR_LEN]; 506 /* FCS */ 507 } __packed; 508 509 struct ieee80211_frame_cts { 510 uint8_t i_fc[2]; 511 uint8_t i_dur[2]; 512 uint8_t i_ra[IEEE80211_ADDR_LEN]; 513 /* FCS */ 514 } __packed; 515 516 struct ieee80211_frame_ack { 517 uint8_t i_fc[2]; 518 uint8_t i_dur[2]; 519 uint8_t i_ra[IEEE80211_ADDR_LEN]; 520 /* FCS */ 521 } __packed; 522 523 struct ieee80211_frame_pspoll { 524 uint8_t i_fc[2]; 525 uint8_t i_aid[2]; 526 uint8_t i_bssid[IEEE80211_ADDR_LEN]; 527 uint8_t i_ta[IEEE80211_ADDR_LEN]; 528 /* FCS */ 529 } __packed; 530 531 struct ieee80211_frame_cfend { /* NB: also CF-End+CF-Ack */ 532 uint8_t i_fc[2]; 533 uint8_t i_dur[2]; /* should be zero */ 534 uint8_t i_ra[IEEE80211_ADDR_LEN]; 535 uint8_t i_bssid[IEEE80211_ADDR_LEN]; 536 /* FCS */ 537 } __packed; 538 539 struct ieee80211_frame_bar { 540 uint8_t i_fc[2]; 541 uint8_t i_dur[2]; 542 uint8_t i_ra[IEEE80211_ADDR_LEN]; 543 uint8_t i_ta[IEEE80211_ADDR_LEN]; 544 uint16_t i_ctl; 545 uint16_t i_seq; 546 /* FCS */ 547 } __packed; 548 549 /* 550 * BEACON management packets 551 * 552 * octet timestamp[8] 553 * octet beacon interval[2] 554 * octet capability information[2] 555 * information element 556 * octet elemid 557 * octet length 558 * octet information[length] 559 */ 560 561 #define IEEE80211_BEACON_INTERVAL(beacon) \ 562 ((beacon)[8] | ((beacon)[9] << 8)) 563 #define IEEE80211_BEACON_CAPABILITY(beacon) \ 564 ((beacon)[10] | ((beacon)[11] << 8)) 565 566 #define IEEE80211_CAPINFO_ESS 0x0001 567 #define IEEE80211_CAPINFO_IBSS 0x0002 568 #define IEEE80211_CAPINFO_CF_POLLABLE 0x0004 569 #define IEEE80211_CAPINFO_CF_POLLREQ 0x0008 570 #define IEEE80211_CAPINFO_PRIVACY 0x0010 571 #define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020 572 #define IEEE80211_CAPINFO_PBCC 0x0040 573 #define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080 574 #define IEEE80211_CAPINFO_SPECTRUM_MGMT 0x0100 575 /* bit 9 is reserved */ 576 #define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400 577 #define IEEE80211_CAPINFO_RSN 0x0800 578 /* bit 12 is reserved */ 579 #define IEEE80211_CAPINFO_DSSSOFDM 0x2000 580 /* bits 14-15 are reserved */ 581 582 #define IEEE80211_CAPINFO_BITS \ 583 "\20\1ESS\2IBSS\3CF_POLLABLE\4CF_POLLREQ\5PRIVACY\6SHORT_PREAMBLE" \ 584 "\7PBCC\10CHNL_AGILITY\11SPECTRUM_MGMT\13SHORT_SLOTTIME\14RSN" \ 585 "\16DSSOFDM" 586 587 /* 588 * 802.11i/WPA information element (maximally sized). 589 */ 590 struct ieee80211_ie_wpa { 591 uint8_t wpa_id; /* IEEE80211_ELEMID_VENDOR */ 592 uint8_t wpa_len; /* length in bytes */ 593 uint8_t wpa_oui[3]; /* 0x00, 0x50, 0xf2 */ 594 uint8_t wpa_type; /* OUI type */ 595 uint16_t wpa_version; /* spec revision */ 596 uint32_t wpa_mcipher[1]; /* multicast/group key cipher */ 597 uint16_t wpa_uciphercnt; /* # pairwise key ciphers */ 598 uint32_t wpa_uciphers[8];/* ciphers */ 599 uint16_t wpa_authselcnt; /* authentication selector cnt*/ 600 uint32_t wpa_authsels[8];/* selectors */ 601 uint16_t wpa_caps; /* 802.11i capabilities */ 602 uint16_t wpa_pmkidcnt; /* 802.11i pmkid count */ 603 uint16_t wpa_pmkids[8]; /* 802.11i pmkids */ 604 } __packed; 605 606 /* 607 * 802.11n HT Capability IE 608 * NB: these reflect D1.10 609 */ 610 struct ieee80211_ie_htcap { 611 uint8_t hc_id; /* element ID */ 612 uint8_t hc_len; /* length in bytes */ 613 uint16_t hc_cap; /* HT caps (see below) */ 614 uint8_t hc_param; /* HT params (see below) */ 615 uint8_t hc_mcsset[16]; /* supported MCS set */ 616 uint16_t hc_extcap; /* extended HT capabilities */ 617 uint32_t hc_txbf; /* txbf capabilities */ 618 uint8_t hc_antenna; /* antenna capabilities */ 619 } __packed; 620 621 /* HT capability flags (ht_cap) */ 622 #define IEEE80211_HTCAP_LDPC 0x0001 /* LDPC rx supported */ 623 #define IEEE80211_HTCAP_CHWIDTH40 0x0002 /* 20/40 supported */ 624 #define IEEE80211_HTCAP_SMPS 0x000c /* SM Power Save mode */ 625 #define IEEE80211_HTCAP_SMPS_OFF 0x000c /* disabled */ 626 #define IEEE80211_HTCAP_SMPS_DYNAMIC 0x0004 /* send RTS first */ 627 /* NB: SMPS value 2 is reserved */ 628 #define IEEE80211_HTCAP_SMPS_ENA 0x0000 /* enabled (static mode) */ 629 #define IEEE80211_HTCAP_GREENFIELD 0x0010 /* Greenfield supported */ 630 #define IEEE80211_HTCAP_SHORTGI20 0x0020 /* Short GI in 20MHz */ 631 #define IEEE80211_HTCAP_SHORTGI40 0x0040 /* Short GI in 40MHz */ 632 #define IEEE80211_HTCAP_TXSTBC 0x0080 /* STBC tx ok */ 633 #define IEEE80211_HTCAP_RXSTBC 0x0300 /* STBC rx support */ 634 #define IEEE80211_HTCAP_RXSTBC_S 8 635 #define IEEE80211_HTCAP_RXSTBC_1STREAM 0x0100 /* 1 spatial stream */ 636 #define IEEE80211_HTCAP_RXSTBC_2STREAM 0x0200 /* 1-2 spatial streams*/ 637 #define IEEE80211_HTCAP_RXSTBC_3STREAM 0x0300 /* 1-3 spatial streams*/ 638 #define IEEE80211_HTCAP_DELBA 0x0400 /* HT DELBA supported */ 639 #define IEEE80211_HTCAP_MAXAMSDU 0x0800 /* max A-MSDU length */ 640 #define IEEE80211_HTCAP_MAXAMSDU_7935 0x0800 /* 7935 octets */ 641 #define IEEE80211_HTCAP_MAXAMSDU_3839 0x0000 /* 3839 octets */ 642 #define IEEE80211_HTCAP_DSSSCCK40 0x1000 /* DSSS/CCK in 40MHz */ 643 #define IEEE80211_HTCAP_PSMP 0x2000 /* PSMP supported */ 644 #define IEEE80211_HTCAP_40INTOLERANT 0x4000 /* 40MHz intolerant */ 645 #define IEEE80211_HTCAP_LSIGTXOPPROT 0x8000 /* L-SIG TXOP prot */ 646 647 #define IEEE80211_HTCAP_BITS \ 648 "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \ 649 "\13DELBA\14AMSDU(7935)\15DSSSCCK40\16PSMP\1740INTOLERANT" \ 650 "\20LSIGTXOPPROT" 651 652 /* HT parameters (hc_param) */ 653 #define IEEE80211_HTCAP_MAXRXAMPDU 0x03 /* max rx A-MPDU factor */ 654 #define IEEE80211_HTCAP_MAXRXAMPDU_S 0 655 #define IEEE80211_HTCAP_MAXRXAMPDU_8K 0 656 #define IEEE80211_HTCAP_MAXRXAMPDU_16K 1 657 #define IEEE80211_HTCAP_MAXRXAMPDU_32K 2 658 #define IEEE80211_HTCAP_MAXRXAMPDU_64K 3 659 #define IEEE80211_HTCAP_MPDUDENSITY 0x1c /* min MPDU start spacing */ 660 #define IEEE80211_HTCAP_MPDUDENSITY_S 2 661 #define IEEE80211_HTCAP_MPDUDENSITY_NA 0 /* no time restriction */ 662 #define IEEE80211_HTCAP_MPDUDENSITY_025 1 /* 1/4 us */ 663 #define IEEE80211_HTCAP_MPDUDENSITY_05 2 /* 1/2 us */ 664 #define IEEE80211_HTCAP_MPDUDENSITY_1 3 /* 1 us */ 665 #define IEEE80211_HTCAP_MPDUDENSITY_2 4 /* 2 us */ 666 #define IEEE80211_HTCAP_MPDUDENSITY_4 5 /* 4 us */ 667 #define IEEE80211_HTCAP_MPDUDENSITY_8 6 /* 8 us */ 668 #define IEEE80211_HTCAP_MPDUDENSITY_16 7 /* 16 us */ 669 670 /* HT extended capabilities (hc_extcap) */ 671 #define IEEE80211_HTCAP_PCO 0x0001 /* PCO capable */ 672 #define IEEE80211_HTCAP_PCOTRANS 0x0006 /* PCO transition time */ 673 #define IEEE80211_HTCAP_PCOTRANS_S 1 674 #define IEEE80211_HTCAP_PCOTRANS_04 0x0002 /* 400 us */ 675 #define IEEE80211_HTCAP_PCOTRANS_15 0x0004 /* 1.5 ms */ 676 #define IEEE80211_HTCAP_PCOTRANS_5 0x0006 /* 5 ms */ 677 /* bits 3-7 reserved */ 678 #define IEEE80211_HTCAP_MCSFBACK 0x0300 /* MCS feedback */ 679 #define IEEE80211_HTCAP_MCSFBACK_S 8 680 #define IEEE80211_HTCAP_MCSFBACK_NONE 0x0000 /* nothing provided */ 681 #define IEEE80211_HTCAP_MCSFBACK_UNSOL 0x0200 /* unsolicited feedback */ 682 #define IEEE80211_HTCAP_MCSFBACK_MRQ 0x0300 /* " "+respond to MRQ */ 683 #define IEEE80211_HTCAP_HTC 0x0400 /* +HTC support */ 684 #define IEEE80211_HTCAP_RDR 0x0800 /* reverse direction responder*/ 685 /* bits 12-15 reserved */ 686 687 /* 688 * 802.11n HT Information IE 689 */ 690 struct ieee80211_ie_htinfo { 691 uint8_t hi_id; /* element ID */ 692 uint8_t hi_len; /* length in bytes */ 693 uint8_t hi_ctrlchannel; /* primary channel */ 694 uint8_t hi_byte1; /* ht ie byte 1 */ 695 uint8_t hi_byte2; /* ht ie byte 2 */ 696 uint8_t hi_byte3; /* ht ie byte 3 */ 697 uint16_t hi_byte45; /* ht ie bytes 4+5 */ 698 uint8_t hi_basicmcsset[16]; /* basic MCS set */ 699 } __packed; 700 701 /* byte1 */ 702 #define IEEE80211_HTINFO_2NDCHAN 0x03 /* secondary/ext chan offset */ 703 #define IEEE80211_HTINFO_2NDCHAN_S 0 704 #define IEEE80211_HTINFO_2NDCHAN_NONE 0x00 /* no secondary/ext channel */ 705 #define IEEE80211_HTINFO_2NDCHAN_ABOVE 0x01 /* above private channel */ 706 /* NB: 2 is reserved */ 707 #define IEEE80211_HTINFO_2NDCHAN_BELOW 0x03 /* below primary channel */ 708 #define IEEE80211_HTINFO_TXWIDTH 0x04 /* tx channel width */ 709 #define IEEE80211_HTINFO_TXWIDTH_20 0x00 /* 20MHz width */ 710 #define IEEE80211_HTINFO_TXWIDTH_2040 0x04 /* any supported width */ 711 #define IEEE80211_HTINFO_RIFSMODE 0x08 /* Reduced IFS (RIFS) use */ 712 #define IEEE80211_HTINFO_RIFSMODE_PROH 0x00 /* RIFS use prohibited */ 713 #define IEEE80211_HTINFO_RIFSMODE_PERM 0x08 /* RIFS use permitted */ 714 #define IEEE80211_HTINFO_PMSPONLY 0x10 /* PSMP required to associate */ 715 #define IEEE80211_HTINFO_SIGRAN 0xe0 /* shortest Service Interval */ 716 #define IEEE80211_HTINFO_SIGRAN_S 5 717 #define IEEE80211_HTINFO_SIGRAN_5 0x00 /* 5 ms */ 718 /* XXX add rest */ 719 720 /* bytes 2+3 */ 721 #define IEEE80211_HTINFO_OPMODE 0x03 /* operating mode */ 722 #define IEEE80211_HTINFO_OPMODE_S 0 723 #define IEEE80211_HTINFO_OPMODE_PURE 0x00 /* no protection */ 724 #define IEEE80211_HTINFO_OPMODE_PROTOPT 0x01 /* protection optional */ 725 #define IEEE80211_HTINFO_OPMODE_HT20PR 0x02 /* protection for HT20 sta's */ 726 #define IEEE80211_HTINFO_OPMODE_MIXED 0x03 /* protection for legacy sta's*/ 727 #define IEEE80211_HTINFO_NONGF_PRESENT 0x04 /* non-GF sta's present */ 728 #define IEEE80211_HTINFO_TXBL 0x08 /* transmit burst limit */ 729 #define IEEE80211_HTINFO_NONHT_PRESENT 0x10 /* non-HT sta's present */ 730 /* bits 5-15 reserved */ 731 732 /* bytes 4+5 */ 733 #define IEEE80211_HTINFO_2NDARYBEACON 0x01 734 #define IEEE80211_HTINFO_LSIGTXOPPROT 0x02 735 #define IEEE80211_HTINFO_PCO_ACTIVE 0x04 736 #define IEEE80211_HTINFO_40MHZPHASE 0x08 737 738 /* byte5 */ 739 #define IEEE80211_HTINFO_BASIC_STBCMCS 0x7f 740 #define IEEE80211_HTINFO_BASIC_STBCMCS_S 0 741 #define IEEE80211_HTINFO_DUALPROTECTED 0x80 742 743 744 /* 745 * 802.11ac definitions - 802.11ac-2013 . 746 */ 747 748 /* 749 * Maximum length of A-MPDU that the STA can RX in VHT. 750 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets) 751 */ 752 #define IEEE80211_VHTCAP_MAX_AMPDU_8K 0 753 #define IEEE80211_VHTCAP_MAX_AMPDU_16K 1 754 #define IEEE80211_VHTCAP_MAX_AMPDU_32K 2 755 #define IEEE80211_VHTCAP_MAX_AMPDU_64K 3 756 #define IEEE80211_VHTCAP_MAX_AMPDU_128K 4 757 #define IEEE80211_VHTCAP_MAX_AMPDU_256K 5 758 #define IEEE80211_VHTCAP_MAX_AMPDU_512K 6 759 #define IEEE80211_VHTCAP_MAX_AMPDU_1024K 7 760 761 /* 762 * VHT MCS information. 763 * + rx_highest/tx_highest: optional; maximum long GI VHT PPDU 764 * data rate. 1Mbit/sec units. 765 * + rx_mcs_map/tx_mcs_map: bitmap of per-stream supported MCS; 766 * 2 bits each. 767 */ 768 #define IEEE80211_VHT_MCS_SUPPORT_0_7 0 /* MCS0-7 */ 769 #define IEEE80211_VHT_MCS_SUPPORT_0_8 1 /* MCS0-8 */ 770 #define IEEE80211_VHT_MCS_SUPPORT_0_9 2 /* MCS0-9 */ 771 #define IEEE80211_VHT_MCS_NOT_SUPPORTED 3 /* not supported */ 772 773 struct ieee80211_vht_mcs_info { 774 uint16_t rx_mcs_map; 775 uint16_t rx_highest; 776 uint16_t tx_mcs_map; 777 uint16_t tx_highest; 778 } __packed; 779 780 /* VHT capabilities element: 802.11ac-2013 8.4.2.160 */ 781 struct ieee80211_ie_vhtcap { 782 uint8_t ie; 783 uint8_t len; 784 uint32_t vht_cap_info; 785 struct ieee80211_vht_mcs_info supp_mcs; 786 } __packed; 787 788 /* VHT operation mode subfields - 802.11ac-2013 Table 8.183x */ 789 #define IEEE80211_VHT_CHANWIDTH_USE_HT 0 /* Use HT IE for chw */ 790 #define IEEE80211_VHT_CHANWIDTH_80MHZ 1 /* 80MHz */ 791 #define IEEE80211_VHT_CHANWIDTH_160MHZ 2 /* 160MHz */ 792 #define IEEE80211_VHT_CHANWIDTH_80P80MHZ 3 /* 80+80MHz */ 793 794 /* VHT operation IE - 802.11ac-2013 8.4.2.161 */ 795 struct ieee80211_ie_vht_operation { 796 uint8_t ie; 797 uint8_t len; 798 uint8_t chan_width; 799 uint8_t center_freq_seg1_idx; 800 uint8_t center_freq_seg2_idx; 801 uint16_t basic_mcs_set; 802 } __packed; 803 804 /* 802.11ac VHT Capabilities */ 805 #define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_3895 0x00000000 806 #define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_7991 0x00000001 807 #define IEEE80211_VHTCAP_MAX_MPDU_LENGTH_11454 0x00000002 808 #define IEEE80211_VHTCAP_MAX_MPDU_MASK 0x00000003 809 #define IEEE80211_VHTCAP_MAX_MPDU_MASK_S 0 810 811 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK 0x0000000C 812 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_MASK_S 2 813 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_NONE 0 814 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160MHZ 1 815 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_160_80P80MHZ 2 816 #define IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_RESERVED 3 817 818 #define IEEE80211_VHTCAP_RXLDPC 0x00000010 819 #define IEEE80211_VHTCAP_RXLDPC_S 4 820 821 #define IEEE80211_VHTCAP_SHORT_GI_80 0x00000020 822 #define IEEE80211_VHTCAP_SHORT_GI_80_S 5 823 824 #define IEEE80211_VHTCAP_SHORT_GI_160 0x00000040 825 #define IEEE80211_VHTCAP_SHORT_GI_160_S 6 826 827 #define IEEE80211_VHTCAP_TXSTBC 0x00000080 828 #define IEEE80211_VHTCAP_TXSTBC_S 7 829 830 #define IEEE80211_VHTCAP_RXSTBC_1 0x00000100 831 #define IEEE80211_VHTCAP_RXSTBC_2 0x00000200 832 #define IEEE80211_VHTCAP_RXSTBC_3 0x00000300 833 #define IEEE80211_VHTCAP_RXSTBC_4 0x00000400 834 #define IEEE80211_VHTCAP_RXSTBC_MASK 0x00000700 835 #define IEEE80211_VHTCAP_RXSTBC_MASK_S 8 836 837 #define IEEE80211_VHTCAP_SU_BEAMFORMER_CAPABLE 0x00000800 838 #define IEEE80211_VHTCAP_SU_BEAMFORMER_CAPABLE_S 11 839 840 #define IEEE80211_VHTCAP_SU_BEAMFORMEE_CAPABLE 0x00001000 841 #define IEEE80211_VHTCAP_SU_BEAMFORMEE_CAPABLE_S 12 842 843 #define IEEE80211_VHTCAP_BEAMFORMEE_STS_SHIFT 13 844 #define IEEE80211_VHTCAP_BEAMFORMEE_STS_MASK \ 845 (7 << IEEE80211_VHTCAP_BEAMFORMEE_STS_SHIFT) 846 #define IEEE80211_VHTCAP_BEAMFORMEE_STS_MASK_S 13 847 848 #define IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_SHIFT 16 849 #define IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_MASK \ 850 (7 << IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_SHIFT) 851 #define IEEE80211_VHTCAP_SOUNDING_DIMENSIONS_MASK_S 16 852 853 #define IEEE80211_VHTCAP_MU_BEAMFORMER_CAPABLE 0x00080000 854 #define IEEE80211_VHTCAP_MU_BEAMFORMER_CAPABLE_S 19 855 #define IEEE80211_VHTCAP_MU_BEAMFORMEE_CAPABLE 0x00100000 856 #define IEEE80211_VHTCAP_MU_BEAMFORMEE_CAPABLE_S 20 857 #define IEEE80211_VHTCAP_VHT_TXOP_PS 0x00200000 858 #define IEEE80211_VHTCAP_VHT_TXOP_PS_S 21 859 #define IEEE80211_VHTCAP_HTC_VHT 0x00400000 860 #define IEEE80211_VHTCAP_HTC_VHT_S 22 861 862 #define IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23 863 #define IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \ 864 (7 << IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT) 865 #define IEEE80211_VHTCAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK_S 23 866 867 #define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MASK 0x0c000000 868 #define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000 869 #define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000 870 #define IEEE80211_VHTCAP_VHT_LINK_ADAPTATION_VHT_MASK_S 26 871 872 #define IEEE80211_VHTCAP_RX_ANTENNA_PATTERN 0x10000000 873 #define IEEE80211_VHTCAP_RX_ANTENNA_PATTERN_S 28 874 #define IEEE80211_VHTCAP_TX_ANTENNA_PATTERN 0x20000000 875 #define IEEE80211_VHTCAP_TX_ANTENNA_PATTERN_S 29 876 877 /* 878 * XXX TODO: add the rest of the bits 879 */ 880 #define IEEE80211_VHTCAP_BITS \ 881 "\20\1MPDU7991\2MPDU11454\3CHAN160\4CHAN8080\5RXLDPC\6SHORTGI80" \ 882 "\7SHORTGI160\10RXSTBC1\11RXSTBC2\12RXSTBC3\13RXSTBC4\14BFERCAP" \ 883 "\15BFEECAP\27VHT\37RXANTPTN\40TXANTPTN" 884 885 /* 886 * VHT Transmit Power Envelope element - 802.11ac-2013 8.4.2.164 887 * 888 * This defines the maximum transmit power for various bandwidths. 889 */ 890 /* 891 * Count is how many elements follow and what they're for: 892 * 893 * 0 - 20 MHz 894 * 1 - 20+40 MHz 895 * 2 - 20+40+80 MHz 896 * 3 - 20+40+80+(160, 80+80) MHz 897 */ 898 #define IEEE80211_VHT_TXPWRENV_INFO_COUNT_SHIFT 0 899 #define IEEE80211_VHT_TXPWRENV_INFO_COUNT_MASK 0x07 900 901 /* 902 * Unit is the tx power representation. It should be EIRP for now; 903 * other values are reserved. 904 */ 905 #define IEEE80211_VHT_TXPWRENV_UNIT_MASK 0x38 906 #define IEEE80211_VHT_TXPWRENV_UNIT_SHIFT 3 907 908 /* This value is within the unit mask/shift above */ 909 #define IEEE80211_VHT_TXPWRENV_UNIT_EIRP 0 910 911 struct ieee80211_ie_vht_txpwrenv { 912 uint8_t ie; 913 uint8_t len; 914 uint8_t tx_info; 915 int8_t tx_elem[0]; /* TX power elements, 1/2 dB, signed */ 916 }; 917 918 /* VHT action codes */ 919 #define WLAN_ACTION_VHT_COMPRESSED_BF 0 920 #define WLAN_ACTION_VHT_GROUPID_MGMT 1 921 #define WLAN_ACTION_VHT_OPMODE_NOTIF 2 922 923 /* 924 * Management information element payloads. 925 */ 926 927 enum { 928 IEEE80211_ELEMID_SSID = 0, 929 IEEE80211_ELEMID_RATES = 1, 930 IEEE80211_ELEMID_FHPARMS = 2, 931 IEEE80211_ELEMID_DSPARMS = 3, 932 IEEE80211_ELEMID_CFPARMS = 4, 933 IEEE80211_ELEMID_TIM = 5, 934 IEEE80211_ELEMID_IBSSPARMS = 6, 935 IEEE80211_ELEMID_COUNTRY = 7, 936 IEEE80211_ELEMID_BSSLOAD = 11, 937 IEEE80211_ELEMID_TSPEC = 13, 938 IEEE80211_ELEMID_TCLAS = 14, 939 IEEE80211_ELEMID_CHALLENGE = 16, 940 /* 17-31 reserved for challenge text extension */ 941 IEEE80211_ELEMID_PWRCNSTR = 32, 942 IEEE80211_ELEMID_PWRCAP = 33, 943 IEEE80211_ELEMID_TPCREQ = 34, 944 IEEE80211_ELEMID_TPCREP = 35, 945 IEEE80211_ELEMID_SUPPCHAN = 36, 946 IEEE80211_ELEMID_CSA = 37, 947 IEEE80211_ELEMID_MEASREQ = 38, 948 IEEE80211_ELEMID_MEASREP = 39, 949 IEEE80211_ELEMID_QUIET = 40, 950 IEEE80211_ELEMID_IBSSDFS = 41, 951 IEEE80211_ELEMID_ERP = 42, 952 IEEE80211_ELEMID_HTCAP = 45, 953 IEEE80211_ELEMID_QOS = 46, 954 IEEE80211_ELEMID_RSN = 48, 955 IEEE80211_ELEMID_XRATES = 50, 956 IEEE80211_ELEMID_APCHANREP = 51, 957 IEEE80211_ELEMID_HTINFO = 61, 958 IEEE80211_ELEMID_SECCHAN_OFFSET = 62, 959 IEEE80211_ELEMID_RRM_ENACAPS = 70, 960 IEEE80211_ELEMID_MULTIBSSID = 71, 961 IEEE80211_ELEMID_COEX_2040 = 72, 962 IEEE80211_ELEMID_INTOL_CHN_REPORT = 73, 963 IEEE80211_ELEMID_OVERLAP_BSS_SCAN_PARAM = 74, 964 IEEE80211_ELEMID_TSF_REQ = 91, 965 IEEE80211_ELEMID_TSF_RESP = 92, 966 IEEE80211_ELEMID_WNM_SLEEP_MODE = 93, 967 IEEE80211_ELEMID_TIM_BCAST_REQ = 94, 968 IEEE80211_ELEMID_TIM_BCAST_RESP = 95, 969 IEEE80211_ELEMID_TPC = 150, 970 IEEE80211_ELEMID_CCKM = 156, 971 IEEE80211_ELEMID_VENDOR = 221, /* vendor private */ 972 973 /* 974 * 802.11s IEs 975 * NB: On vanilla Linux still IEEE80211_ELEMID_MESHPEER = 55, 976 * but they defined a new with id 117 called PEER_MGMT. 977 * NB: complies with open80211 978 */ 979 IEEE80211_ELEMID_MESHCONF = 113, 980 IEEE80211_ELEMID_MESHID = 114, 981 IEEE80211_ELEMID_MESHLINK = 115, 982 IEEE80211_ELEMID_MESHCNGST = 116, 983 IEEE80211_ELEMID_MESHPEER = 117, 984 IEEE80211_ELEMID_MESHCSA = 118, 985 IEEE80211_ELEMID_MESHTIM = 39, /* XXX: remove */ 986 IEEE80211_ELEMID_MESHAWAKEW = 119, 987 IEEE80211_ELEMID_MESHBEACONT = 120, 988 /* 121-124 MMCAOP not implemented yet */ 989 IEEE80211_ELEMID_MESHGANN = 125, 990 IEEE80211_ELEMID_MESHRANN = 126, 991 /* 127 Extended Capabilities */ 992 IEEE80211_ELEMID_EXTCAP = 127, 993 /* 128-129 reserved */ 994 IEEE80211_ELEMID_MESHPREQ = 130, 995 IEEE80211_ELEMID_MESHPREP = 131, 996 IEEE80211_ELEMID_MESHPERR = 132, 997 /* 133-136 reserved */ 998 IEEE80211_ELEMID_MESHPXU = 137, 999 IEEE80211_ELEMID_MESHPXUC = 138, 1000 IEEE80211_ELEMID_MESHAH = 60, /* XXX: remove */ 1001 1002 /* 802.11ac */ 1003 IEEE80211_ELEMID_VHT_CAP = 191, 1004 IEEE80211_ELEMID_VHT_OPMODE = 192, 1005 IEEE80211_ELEMID_VHT_PWR_ENV = 195, 1006 }; 1007 1008 struct ieee80211_tim_ie { 1009 uint8_t tim_ie; /* IEEE80211_ELEMID_TIM */ 1010 uint8_t tim_len; 1011 uint8_t tim_count; /* DTIM count */ 1012 uint8_t tim_period; /* DTIM period */ 1013 uint8_t tim_bitctl; /* bitmap control */ 1014 uint8_t tim_bitmap[1]; /* variable-length bitmap */ 1015 } __packed; 1016 1017 struct ieee80211_country_ie { 1018 uint8_t ie; /* IEEE80211_ELEMID_COUNTRY */ 1019 uint8_t len; 1020 uint8_t cc[3]; /* ISO CC+(I)ndoor/(O)utdoor */ 1021 struct { 1022 uint8_t schan; /* starting channel */ 1023 uint8_t nchan; /* number channels */ 1024 uint8_t maxtxpwr; /* tx power cap */ 1025 } __packed band[1]; /* sub bands (NB: var size) */ 1026 } __packed; 1027 1028 #define IEEE80211_COUNTRY_MAX_BANDS 84 /* max possible bands */ 1029 #define IEEE80211_COUNTRY_MAX_SIZE \ 1030 (sizeof(struct ieee80211_country_ie) + 3*(IEEE80211_COUNTRY_MAX_BANDS-1)) 1031 1032 struct ieee80211_bss_load_ie { 1033 uint8_t ie; 1034 uint8_t len; 1035 uint16_t sta_count; /* station count */ 1036 uint8_t chan_load; /* channel utilization */ 1037 uint8_t aac; /* available admission capacity */ 1038 } __packed; 1039 1040 struct ieee80211_ap_chan_report_ie { 1041 uint8_t ie; 1042 uint8_t len; 1043 uint8_t i_class; /* operating class */ 1044 /* Annex E, E.1 Country information and operating classes */ 1045 uint8_t chan_list[0]; 1046 } __packed; 1047 1048 #define IEEE80211_EXTCAP_CMS (1ULL << 0) /* 20/40 BSS coexistence management support */ 1049 #define IEEE80211_EXTCAP_RSVD_1 (1ULL << 1) 1050 #define IEEE80211_EXTCAP_ECS (1ULL << 2) /* extended channel switching */ 1051 #define IEEE80211_EXTCAP_RSVD_3 (1ULL << 3) 1052 #define IEEE80211_EXTCAP_PSMP_CAP (1ULL << 4) /* PSMP capability */ 1053 #define IEEE80211_EXTCAP_RSVD_5 (1ULL << 5) 1054 #define IEEE80211_EXTCAP_S_PSMP_SUPP (1ULL << 6) 1055 #define IEEE80211_EXTCAP_EVENT (1ULL << 7) 1056 #define IEEE80211_EXTCAP_DIAGNOSTICS (1ULL << 8) 1057 #define IEEE80211_EXTCAP_MCAST_DIAG (1ULL << 9) 1058 #define IEEE80211_EXTCAP_LOC_TRACKING (1ULL << 10) 1059 #define IEEE80211_EXTCAP_FMS (1ULL << 11) 1060 #define IEEE80211_EXTCAP_PROXY_ARP (1ULL << 12) 1061 #define IEEE80211_EXTCAP_CIR (1ULL << 13) /* collocated interference reporting */ 1062 #define IEEE80211_EXTCAP_CIVIC_LOC (1ULL << 14) 1063 #define IEEE80211_EXTCAP_GEOSPATIAL_LOC (1ULL << 15) 1064 #define IEEE80211_EXTCAP_TFS (1ULL << 16) 1065 #define IEEE80211_EXTCAP_WNM_SLEEPMODE (1ULL << 17) 1066 #define IEEE80211_EXTCAP_TIM_BROADCAST (1ULL << 18) 1067 #define IEEE80211_EXTCAP_BSS_TRANSITION (1ULL << 19) 1068 #define IEEE80211_EXTCAP_QOS_TRAF_CAP (1ULL << 20) 1069 #define IEEE80211_EXTCAP_AC_STA_COUNT (1ULL << 21) 1070 #define IEEE80211_EXTCAP_M_BSSID (1ULL << 22) /* multiple BSSID field */ 1071 #define IEEE80211_EXTCAP_TIMING_MEAS (1ULL << 23) 1072 #define IEEE80211_EXTCAP_CHAN_USAGE (1ULL << 24) 1073 #define IEEE80211_EXTCAP_SSID_LIST (1ULL << 25) 1074 #define IEEE80211_EXTCAP_DMS (1ULL << 26) 1075 #define IEEE80211_EXTCAP_UTC_TSF_OFFSET (1ULL << 27) 1076 #define IEEE80211_EXTCAP_TLDS_BUF_STA_SUPP (1ULL << 28) /* TDLS peer U-APSP buffer STA support */ 1077 #define IEEE80211_EXTCAP_TLDS_PPSM_SUPP (1ULL << 29) /* TDLS peer PSM support */ 1078 #define IEEE80211_EXTCAP_TLDS_CH_SW (1ULL << 30) /* TDLS channel switching */ 1079 #define IEEE80211_EXTCAP_INTERWORKING (1ULL << 31) 1080 #define IEEE80211_EXTCAP_QOSMAP (1ULL << 32) 1081 #define IEEE80211_EXTCAP_EBR (1ULL << 33) 1082 #define IEEE80211_EXTCAP_SSPN_IF (1ULL << 34) 1083 #define IEEE80211_EXTCAP_RSVD_35 (1ULL << 35) 1084 #define IEEE80211_EXTCAP_MSGCF_CAP (1ULL << 36) 1085 #define IEEE80211_EXTCAP_TLDS_SUPP (1ULL << 37) 1086 #define IEEE80211_EXTCAP_TLDS_PROHIB (1ULL << 38) 1087 #define IEEE80211_EXTCAP_TLDS_CH_SW_PROHIB (1ULL << 39) /* TDLS channel switching prohibited */ 1088 #define IEEE80211_EXTCAP_RUF (1ULL << 40) /* reject unadmitted frame */ 1089 /* service interval granularity */ 1090 #define IEEE80211_EXTCAP_SIG \ 1091 ((1ULL << 41) | (1ULL << 42) | (1ULL << 43)) 1092 #define IEEE80211_EXTCAP_ID_LOC (1ULL << 44) 1093 #define IEEE80211_EXTCAP_U_APSD_COEX (1ULL << 45) 1094 #define IEEE80211_EXTCAP_WNM_NOTIFICATION (1ULL << 46) 1095 #define IEEE80211_EXTCAP_RSVD_47 (1ULL << 47) 1096 #define IEEE80211_EXTCAP_SSID (1ULL << 48) /* UTF-8 SSID */ 1097 /* bits 49-n are reserved */ 1098 1099 struct ieee80211_extcap_ie { 1100 uint8_t ie; 1101 uint8_t len; 1102 } __packed; 1103 1104 /* 1105 * 802.11h Quiet Time Element. 1106 */ 1107 struct ieee80211_quiet_ie { 1108 uint8_t quiet_ie; /* IEEE80211_ELEMID_QUIET */ 1109 uint8_t len; 1110 uint8_t tbttcount; /* quiet start */ 1111 uint8_t period; /* beacon intervals between quiets */ 1112 uint16_t duration; /* TUs of each quiet*/ 1113 uint16_t offset; /* TUs of from TBTT of quiet start */ 1114 } __packed; 1115 1116 /* 1117 * 802.11h Channel Switch Announcement (CSA). 1118 */ 1119 struct ieee80211_csa_ie { 1120 uint8_t csa_ie; /* IEEE80211_ELEMID_CHANSWITCHANN */ 1121 uint8_t csa_len; 1122 uint8_t csa_mode; /* Channel Switch Mode */ 1123 uint8_t csa_newchan; /* New Channel Number */ 1124 uint8_t csa_count; /* Channel Switch Count */ 1125 } __packed; 1126 1127 /* 1128 * Note the min acceptable CSA count is used to guard against 1129 * malicious CSA injection in station mode. Defining this value 1130 * as other than 0 violates the 11h spec. 1131 */ 1132 #define IEEE80211_CSA_COUNT_MIN 2 1133 #define IEEE80211_CSA_COUNT_MAX 255 1134 1135 /* rate set entries are in .5 Mb/s units, and potentially marked as basic */ 1136 #define IEEE80211_RATE_BASIC 0x80 1137 #define IEEE80211_RATE_VAL 0x7f 1138 #define IEEE80211_RV(v) ((v) & IEEE80211_RATE_VAL) 1139 1140 /* ERP information element flags */ 1141 #define IEEE80211_ERP_NON_ERP_PRESENT 0x01 1142 #define IEEE80211_ERP_USE_PROTECTION 0x02 1143 #define IEEE80211_ERP_LONG_PREAMBLE 0x04 1144 1145 #define IEEE80211_ERP_BITS \ 1146 "\20\1NON_ERP_PRESENT\2USE_PROTECTION\3LONG_PREAMBLE" 1147 1148 #define ATH_OUI 0x7f0300 /* Atheros OUI */ 1149 #define ATH_OUI_TYPE 0x01 /* Atheros protocol ie */ 1150 1151 /* NB: Atheros allocated the OUI for this purpose ~2005 but beware ... */ 1152 #define TDMA_OUI ATH_OUI 1153 #define TDMA_OUI_TYPE 0x02 /* TDMA protocol ie */ 1154 1155 #define BCM_OUI 0x4c9000 /* Broadcom OUI */ 1156 #define BCM_OUI_HTCAP 51 /* pre-draft HTCAP ie */ 1157 #define BCM_OUI_HTINFO 52 /* pre-draft HTINFO ie */ 1158 1159 #define WPA_OUI 0xf25000 1160 #define WPA_OUI_TYPE 0x01 1161 #define WPA_VERSION 1 /* current supported version */ 1162 1163 #define WPA_CSE_NULL 0x00 1164 #define WPA_CSE_WEP40 0x01 1165 #define WPA_CSE_TKIP 0x02 1166 #define WPA_CSE_CCMP 0x04 1167 #define WPA_CSE_WEP104 0x05 1168 1169 #define WPA_ASE_NONE 0x00 1170 #define WPA_ASE_8021X_UNSPEC 0x01 1171 #define WPA_ASE_8021X_PSK 0x02 1172 1173 #define WPS_OUI_TYPE 0x04 1174 1175 #define RSN_OUI 0xac0f00 1176 #define RSN_VERSION 1 /* current supported version */ 1177 1178 #define RSN_CSE_NULL 0x00 1179 #define RSN_CSE_WEP40 0x01 1180 #define RSN_CSE_TKIP 0x02 1181 #define RSN_CSE_WRAP 0x03 1182 #define RSN_CSE_CCMP 0x04 1183 #define RSN_CSE_WEP104 0x05 1184 1185 #define RSN_ASE_NONE 0x00 1186 #define RSN_ASE_8021X_UNSPEC 0x01 1187 #define RSN_ASE_8021X_PSK 0x02 1188 1189 #define RSN_CAP_PREAUTH 0x01 1190 1191 #define WME_OUI 0xf25000 1192 #define WME_OUI_TYPE 0x02 1193 #define WME_INFO_OUI_SUBTYPE 0x00 1194 #define WME_PARAM_OUI_SUBTYPE 0x01 1195 #define WME_VERSION 1 1196 1197 /* WME stream classes */ 1198 #define WME_AC_BE 0 /* best effort */ 1199 #define WME_AC_BK 1 /* background */ 1200 #define WME_AC_VI 2 /* video */ 1201 #define WME_AC_VO 3 /* voice */ 1202 1203 /* 1204 * AUTH management packets 1205 * 1206 * octet algo[2] 1207 * octet seq[2] 1208 * octet status[2] 1209 * octet chal.id 1210 * octet chal.length 1211 * octet chal.text[253] NB: 1-253 bytes 1212 */ 1213 1214 /* challenge length for shared key auth */ 1215 #define IEEE80211_CHALLENGE_LEN 128 1216 1217 #define IEEE80211_AUTH_ALG_OPEN 0x0000 1218 #define IEEE80211_AUTH_ALG_SHARED 0x0001 1219 #define IEEE80211_AUTH_ALG_LEAP 0x0080 1220 1221 enum { 1222 IEEE80211_AUTH_OPEN_REQUEST = 1, 1223 IEEE80211_AUTH_OPEN_RESPONSE = 2, 1224 }; 1225 1226 enum { 1227 IEEE80211_AUTH_SHARED_REQUEST = 1, 1228 IEEE80211_AUTH_SHARED_CHALLENGE = 2, 1229 IEEE80211_AUTH_SHARED_RESPONSE = 3, 1230 IEEE80211_AUTH_SHARED_PASS = 4, 1231 }; 1232 1233 /* 1234 * Reason and status codes. 1235 * 1236 * Reason codes are used in management frames to indicate why an 1237 * action took place (e.g. on disassociation). Status codes are 1238 * used in management frames to indicate the result of an operation. 1239 * 1240 * Unlisted codes are reserved 1241 */ 1242 1243 enum { 1244 IEEE80211_REASON_UNSPECIFIED = 1, 1245 IEEE80211_REASON_AUTH_EXPIRE = 2, 1246 IEEE80211_REASON_AUTH_LEAVE = 3, 1247 IEEE80211_REASON_ASSOC_EXPIRE = 4, 1248 IEEE80211_REASON_ASSOC_TOOMANY = 5, 1249 IEEE80211_REASON_NOT_AUTHED = 6, 1250 IEEE80211_REASON_NOT_ASSOCED = 7, 1251 IEEE80211_REASON_ASSOC_LEAVE = 8, 1252 IEEE80211_REASON_ASSOC_NOT_AUTHED = 9, 1253 IEEE80211_REASON_DISASSOC_PWRCAP_BAD = 10, /* 11h */ 1254 IEEE80211_REASON_DISASSOC_SUPCHAN_BAD = 11, /* 11h */ 1255 IEEE80211_REASON_IE_INVALID = 13, /* 11i */ 1256 IEEE80211_REASON_MIC_FAILURE = 14, /* 11i */ 1257 IEEE80211_REASON_4WAY_HANDSHAKE_TIMEOUT = 15, /* 11i */ 1258 IEEE80211_REASON_GROUP_KEY_UPDATE_TIMEOUT = 16, /* 11i */ 1259 IEEE80211_REASON_IE_IN_4WAY_DIFFERS = 17, /* 11i */ 1260 IEEE80211_REASON_GROUP_CIPHER_INVALID = 18, /* 11i */ 1261 IEEE80211_REASON_PAIRWISE_CIPHER_INVALID= 19, /* 11i */ 1262 IEEE80211_REASON_AKMP_INVALID = 20, /* 11i */ 1263 IEEE80211_REASON_UNSUPP_RSN_IE_VERSION = 21, /* 11i */ 1264 IEEE80211_REASON_INVALID_RSN_IE_CAP = 22, /* 11i */ 1265 IEEE80211_REASON_802_1X_AUTH_FAILED = 23, /* 11i */ 1266 IEEE80211_REASON_CIPHER_SUITE_REJECTED = 24, /* 11i */ 1267 IEEE80211_REASON_UNSPECIFIED_QOS = 32, /* 11e */ 1268 IEEE80211_REASON_INSUFFICIENT_BW = 33, /* 11e */ 1269 IEEE80211_REASON_TOOMANY_FRAMES = 34, /* 11e */ 1270 IEEE80211_REASON_OUTSIDE_TXOP = 35, /* 11e */ 1271 IEEE80211_REASON_LEAVING_QBSS = 36, /* 11e */ 1272 IEEE80211_REASON_BAD_MECHANISM = 37, /* 11e */ 1273 IEEE80211_REASON_SETUP_NEEDED = 38, /* 11e */ 1274 IEEE80211_REASON_TIMEOUT = 39, /* 11e */ 1275 1276 IEEE80211_REASON_PEER_LINK_CANCELED = 52, /* 11s */ 1277 IEEE80211_REASON_MESH_MAX_PEERS = 53, /* 11s */ 1278 IEEE80211_REASON_MESH_CPVIOLATION = 54, /* 11s */ 1279 IEEE80211_REASON_MESH_CLOSE_RCVD = 55, /* 11s */ 1280 IEEE80211_REASON_MESH_MAX_RETRIES = 56, /* 11s */ 1281 IEEE80211_REASON_MESH_CONFIRM_TIMEOUT = 57, /* 11s */ 1282 IEEE80211_REASON_MESH_INVALID_GTK = 58, /* 11s */ 1283 IEEE80211_REASON_MESH_INCONS_PARAMS = 59, /* 11s */ 1284 IEEE80211_REASON_MESH_INVALID_SECURITY = 60, /* 11s */ 1285 IEEE80211_REASON_MESH_PERR_NO_PROXY = 61, /* 11s */ 1286 IEEE80211_REASON_MESH_PERR_NO_FI = 62, /* 11s */ 1287 IEEE80211_REASON_MESH_PERR_DEST_UNREACH = 63, /* 11s */ 1288 IEEE80211_REASON_MESH_MAC_ALRDY_EXISTS_MBSS = 64, /* 11s */ 1289 IEEE80211_REASON_MESH_CHAN_SWITCH_REG = 65, /* 11s */ 1290 IEEE80211_REASON_MESH_CHAN_SWITCH_UNSPEC = 66, /* 11s */ 1291 1292 IEEE80211_STATUS_SUCCESS = 0, 1293 IEEE80211_STATUS_UNSPECIFIED = 1, 1294 IEEE80211_STATUS_CAPINFO = 10, 1295 IEEE80211_STATUS_NOT_ASSOCED = 11, 1296 IEEE80211_STATUS_OTHER = 12, 1297 IEEE80211_STATUS_ALG = 13, 1298 IEEE80211_STATUS_SEQUENCE = 14, 1299 IEEE80211_STATUS_CHALLENGE = 15, 1300 IEEE80211_STATUS_TIMEOUT = 16, 1301 IEEE80211_STATUS_TOOMANY = 17, 1302 IEEE80211_STATUS_BASIC_RATE = 18, 1303 IEEE80211_STATUS_SP_REQUIRED = 19, /* 11b */ 1304 IEEE80211_STATUS_PBCC_REQUIRED = 20, /* 11b */ 1305 IEEE80211_STATUS_CA_REQUIRED = 21, /* 11b */ 1306 IEEE80211_STATUS_SPECMGMT_REQUIRED = 22, /* 11h */ 1307 IEEE80211_STATUS_PWRCAP_REQUIRED = 23, /* 11h */ 1308 IEEE80211_STATUS_SUPCHAN_REQUIRED = 24, /* 11h */ 1309 IEEE80211_STATUS_SHORTSLOT_REQUIRED = 25, /* 11g */ 1310 IEEE80211_STATUS_DSSSOFDM_REQUIRED = 26, /* 11g */ 1311 IEEE80211_STATUS_MISSING_HT_CAPS = 27, /* 11n D3.0 */ 1312 IEEE80211_STATUS_INVALID_IE = 40, /* 11i */ 1313 IEEE80211_STATUS_GROUP_CIPHER_INVALID = 41, /* 11i */ 1314 IEEE80211_STATUS_PAIRWISE_CIPHER_INVALID = 42, /* 11i */ 1315 IEEE80211_STATUS_AKMP_INVALID = 43, /* 11i */ 1316 IEEE80211_STATUS_UNSUPP_RSN_IE_VERSION = 44, /* 11i */ 1317 IEEE80211_STATUS_INVALID_RSN_IE_CAP = 45, /* 11i */ 1318 IEEE80211_STATUS_CIPHER_SUITE_REJECTED = 46, /* 11i */ 1319 }; 1320 1321 #define IEEE80211_WEP_KEYLEN 5 /* 40bit */ 1322 #define IEEE80211_WEP_IVLEN 3 /* 24bit */ 1323 #define IEEE80211_WEP_KIDLEN 1 /* 1 octet */ 1324 #define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */ 1325 #define IEEE80211_WEP_TOTLEN (IEEE80211_WEP_IVLEN + \ 1326 IEEE80211_WEP_KIDLEN + \ 1327 IEEE80211_WEP_CRCLEN) 1328 #define IEEE80211_WEP_NKID 4 /* number of key ids */ 1329 1330 /* 1331 * 802.11i defines an extended IV for use with non-WEP ciphers. 1332 * When the EXTIV bit is set in the key id byte an additional 1333 * 4 bytes immediately follow the IV for TKIP. For CCMP the 1334 * EXTIV bit is likewise set but the 8 bytes represent the 1335 * CCMP header rather than IV+extended-IV. 1336 */ 1337 #define IEEE80211_WEP_EXTIV 0x20 1338 #define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */ 1339 #define IEEE80211_WEP_MICLEN 8 /* trailing MIC */ 1340 1341 #define IEEE80211_CRC_LEN 4 1342 1343 /* 1344 * Maximum acceptable MTU is: 1345 * IEEE80211_MAX_LEN - WEP overhead - CRC - 1346 * QoS overhead - RSN/WPA overhead 1347 * Min is arbitrarily chosen > IEEE80211_MIN_LEN. The default 1348 * mtu is Ethernet-compatible; it's set by ether_ifattach. 1349 */ 1350 #define IEEE80211_MTU_MAX 2290 1351 #define IEEE80211_MTU_MIN 32 1352 1353 #define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \ 1354 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN)) 1355 #define IEEE80211_ACK_LEN \ 1356 (sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN) 1357 #define IEEE80211_MIN_LEN \ 1358 (sizeof(struct ieee80211_frame_min) + IEEE80211_CRC_LEN) 1359 1360 /* 1361 * The 802.11 spec says at most 2007 stations may be 1362 * associated at once. For most AP's this is way more 1363 * than is feasible so we use a default of IEEE80211_AID_DEF. 1364 * This number may be overridden by the driver and/or by 1365 * user configuration but may not be less than IEEE80211_AID_MIN 1366 * (see _ieee80211.h for implementation-specific settings). 1367 */ 1368 #define IEEE80211_AID_MAX 2007 1369 1370 #define IEEE80211_AID(b) ((b) &~ 0xc000) 1371 1372 /* 1373 * RTS frame length parameters. The default is specified in 1374 * the 802.11 spec as 512; we treat it as implementation-dependent 1375 * so it's defined in ieee80211_var.h. The max may be wrong 1376 * for jumbo frames. 1377 */ 1378 #define IEEE80211_RTS_MIN 1 1379 #define IEEE80211_RTS_MAX 2346 1380 1381 /* 1382 * TX fragmentation parameters. As above for RTS, we treat 1383 * default as implementation-dependent so define it elsewhere. 1384 */ 1385 #define IEEE80211_FRAG_MIN 256 1386 #define IEEE80211_FRAG_MAX 2346 1387 1388 /* 1389 * Beacon interval (TU's). Min+max come from WiFi requirements. 1390 * As above, we treat default as implementation-dependent so 1391 * define it elsewhere. 1392 */ 1393 #define IEEE80211_BINTVAL_MAX 1000 /* max beacon interval (TU's) */ 1394 #define IEEE80211_BINTVAL_MIN 25 /* min beacon interval (TU's) */ 1395 1396 /* 1397 * DTIM period (beacons). Min+max are not really defined 1398 * by the protocol but we want them publicly visible so 1399 * define them here. 1400 */ 1401 #define IEEE80211_DTIM_MAX 15 /* max DTIM period */ 1402 #define IEEE80211_DTIM_MIN 1 /* min DTIM period */ 1403 1404 /* 1405 * Beacon miss threshold (beacons). As for DTIM, we define 1406 * them here to be publicly visible. Note the max may be 1407 * clamped depending on device capabilities. 1408 */ 1409 #define IEEE80211_HWBMISS_MIN 1 1410 #define IEEE80211_HWBMISS_MAX 255 1411 1412 /* 1413 * 802.11 frame duration definitions. 1414 */ 1415 1416 struct ieee80211_duration { 1417 uint16_t d_rts_dur; 1418 uint16_t d_data_dur; 1419 uint16_t d_plcp_len; 1420 uint8_t d_residue; /* unused octets in time slot */ 1421 }; 1422 1423 /* One Time Unit (TU) is 1Kus = 1024 microseconds. */ 1424 #define IEEE80211_DUR_TU 1024 1425 1426 /* IEEE 802.11b durations for DSSS PHY in microseconds */ 1427 #define IEEE80211_DUR_DS_LONG_PREAMBLE 144 1428 #define IEEE80211_DUR_DS_SHORT_PREAMBLE 72 1429 1430 #define IEEE80211_DUR_DS_SLOW_PLCPHDR 48 1431 #define IEEE80211_DUR_DS_FAST_PLCPHDR 24 1432 #define IEEE80211_DUR_DS_SLOW_ACK 112 1433 #define IEEE80211_DUR_DS_FAST_ACK 56 1434 #define IEEE80211_DUR_DS_SLOW_CTS 112 1435 #define IEEE80211_DUR_DS_FAST_CTS 56 1436 1437 #define IEEE80211_DUR_DS_SLOT 20 1438 #define IEEE80211_DUR_DS_SIFS 10 1439 #define IEEE80211_DUR_DS_PIFS (IEEE80211_DUR_DS_SIFS + IEEE80211_DUR_DS_SLOT) 1440 #define IEEE80211_DUR_DS_DIFS (IEEE80211_DUR_DS_SIFS + \ 1441 2 * IEEE80211_DUR_DS_SLOT) 1442 #define IEEE80211_DUR_DS_EIFS (IEEE80211_DUR_DS_SIFS + \ 1443 IEEE80211_DUR_DS_SLOW_ACK + \ 1444 IEEE80211_DUR_DS_LONG_PREAMBLE + \ 1445 IEEE80211_DUR_DS_SLOW_PLCPHDR + \ 1446 IEEE80211_DUR_DIFS) 1447 1448 #endif /* _NET80211_IEEE80211_H_ */ 1449